Evaluate .

Answer and explanation

Correct answer: A. 4

  1. Step 1: The definite integral of a monomial power is given by .
  2. Step 2: Integrate the integrand: the antiderivative of is .
  3. Step 3: Evaluate at the integration limits and : .
Answer
4.
Why not the others: 8 miscalculates the power rule integration or evaluation limits; 16/3 is an inverted or miscalculated integral fraction; 12 miscalculates the power rule integration or evaluation limits.

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